Exam Code: JSE-40-01
Exam Questions: 263
JSE Certified Entry-Level JavaScript Programmer
Updated: 23 Jul, 2026
Viewing Page : 1 - 27
Practicing : 1 - 5 of 263 Questions
Question 1

Review the following code (note the variable name)let height = 170;

height = height + 10;

console.log(Height);

As a result of its execution, the following should appear in the console:

Options :
Answer: C

Question 2

Analyze the following code:

let id = "100";

{

    let id = 200;

    id = id + 1;

    console.log(id)

}

What will appear in the console as a result?

Options :
Answer: B

Question 3

The minimum JavaScript online development environment will consist of:

(Select two correct answers)

Options :
Answer: B,D

Question 4

Analyze the following code:

const msg = "Hello";

msg += " world";

onsole.log(x);

What exception will be thrown as a result of its execution attempt?

Options :
Answer: A

Question 5

The msg variable contains a String type value.

Information about the number of characters of this string can be obtained using:

Options :
Answer: A

Viewing Page : 1 - 27
Practicing : 1 - 5 of 263 Questions

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